Home / 2,910.26-4,014.42-2,715.86

Finding the Fourth Proportional to 2,910.26, 4,014.42 and 2,715.86

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Solution

The fourth proportional to 2,910.26, 4,014.42 and 2,715.86 is: 3,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.26 : 4,014.42 = 2,715.86 : x
  2. Step 2: Convert to fraction form
    2,910.26/4,014.42 = 2,715.86/x
  3. Step 3: Cross multiply
    2,910.26x = 4,014.42 × 2,715.86
  4. Step 4: Simplify right side
    2,910.26x = 10,902,602.70
  5. Step 5: Solve for x
    x = 10,902,602.70/2,910.26
  6. Step 6: Final answer
    x = 3,746.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.